Astronomers have just made a bold prediction—that an exploding star dubbed “Supernova Requiem” will ... Universe’s expansion rate. Once in a “Blue Moon?” Try twice!

Explore the dynamic life of the spiral galaxy NGC 337 as captured by the Hubble Space Telescope, featuring a mix of old and ...

The explosion was of a huge star, 20 times the mass of our Sun, a so-called blue supergiant. Its life ended in spectacular style in a process called a supernova, prosaically called SN 1987A ...

A giant ‘hiccuping’ star in its final stages before exploding has been spotted by a team of international astronomers. The ...

The required supernova explosion would need to come from a massive star dying and exploding either within the Milky Way or one in of its satellite galaxies, like the Large Magellanic Cloud.

It's the astronomical equivalent of a horror film adversary: a star that just wouldn't stay dead. When most stars go supernova, they die in a single blast, but astronomers have found a star that ...

A glowing blue sphere behind a cloak of dark ... production of gamma rays following the core-collapse supernova that created a neutron star and considered the significance of the fact that Fermi ...

Astronomers studying the aftermath of a supernova explosion have located the original star, a celestial body that should have ...

More massive stars than the Sun have a very different life cycle and follow the right hand path in the diagram above: \({Nebula}\rightarrow{protostar}\rightarrow{main~sequence~star}\rightarrow{red ...

A supernova called SN 2023ixf has appeared in the outskirts of a beautiful spiral galaxy in the night sky. The exploding supergiant star—the result of its core collapsing under its own gravity ...